CN105650810B - Control method, single cold type air conditioner and the heating and air conditioner of air conditioner - Google Patents
Control method, single cold type air conditioner and the heating and air conditioner of air conditioner Download PDFInfo
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- CN105650810B CN105650810B CN201610008047.1A CN201610008047A CN105650810B CN 105650810 B CN105650810 B CN 105650810B CN 201610008047 A CN201610008047 A CN 201610008047A CN 105650810 B CN105650810 B CN 105650810B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0003—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station characterised by a split arrangement, wherein parts of the air-conditioning system, e.g. evaporator and condenser, are in separately located units
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Signal Processing (AREA)
- Fluid Mechanics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a kind of control method of air conditioner, single cold type air conditioner and heating and air conditioners.Air conditioner includes compressor, indoor heat exchanger, outdoor heat exchanger, the throttling set with opening and closing function, indoor fan and the first control valve with opening and closing function, first control valve is connected with the first end of outdoor heat exchanger, throttling set is connected with the second end of indoor heat exchanger and outdoor heat exchanger respectively, control method includes the following steps: in cooling mode, after air conditioner receives shutdown command, first control valve is kept it turned on, and throttling set is closed, and compressor remains operational mode；Compressor runs out of service and closing first control valve after the first setting time.The control method of air conditioner according to an embodiment of the present invention, can be improved refrigerating speed, and the purpose of fast-refrigerating may be implemented.
Description
Technical field
The present invention relates to air-conditioning technique fields, control method, single cold type air-conditioning more particularly, to a kind of air conditioner
Device and heating and air conditioner.
Background technique
With global warming, air-conditioning enters huge numbers of families, and for air-conditioning using more and more common, people want air-conditioning quality
It asks higher and higher, it is desirable to air-conditioning fast-refrigerating, opens air-conditioning, stand before air-conditioning, can enjoy as early as possible refrigerant cold
Wind, has especially just gone home from open air and has just finished the people of movement to enter room and open air-conditioning, to the fast-refrigerating of air conditioner
It is required that especially strong.Air conditioner industry is being studied fast-refrigerating as air conditioner one main comfort index, current
Room air conditioner, general to be switched on after the long period, air-conditioner air outlet could blow out refrigerant cold wind, cannot meet user well
Demand.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.
For this purpose, the present invention proposes a kind of control method of air conditioner, the purpose of fast-refrigerating may be implemented.
The present invention also proposes a kind of single cold type air conditioner, and the purpose of fast-refrigerating may be implemented.
The present invention proposes a kind of heating and air conditioner again, and the purpose of fast-refrigerating may be implemented.
The control method of air conditioner according to an embodiment of the present invention, the air conditioner include compressor, indoor heat exchanger, room
External heat exchanger, the throttling set with opening and closing function, indoor fan and the first control valve with opening and closing function, first control
Valve processed is connected with the first end of the outdoor heat exchanger, the throttling set respectively with indoor heat exchanger and outdoor heat exchanger
Two ends are connected, and the control method includes the following steps: in cooling mode, after the air conditioner receives shutdown command,
First control valve is kept it turned on, and the throttling set is closed, and the compressor remains operational mode；The compressor
It runs out of service after the first setting time and closes first control valve.
The control method of air conditioner according to an embodiment of the present invention, can be improved refrigerating speed, and fast-refrigerating may be implemented
Purpose.
In some embodiments of the invention, when the air conditioner receives power-on instruction, first control valve and
The throttling set is opened, and speedup to the second setting turns after the indoor fan runs the second setting time with the first setting speed
Speed.
In some specific examples of the invention, the motor of the indoor fan is direct current generator, and first setting turns
Speed is the 10%-40% of second setting speed；Or the motor of the indoor fan is alternating current generator, first setting
Revolving speed is deep low gear revolving speed.
In some embodiments of the invention, the throttling set is the capillary and the second control valve being connected in series；Or
Throttling set described in person is electric expansion valve.
In some embodiments of the invention, the value range of first setting time is -180 seconds 15 seconds.
Single cold type air conditioner according to an embodiment of the present invention, comprising: compressor, the compressor have exhaust outlet and return-air
Mouthful；Indoor heat exchanger and outdoor heat exchanger, the first end of the indoor heat exchanger are connected with the gas returning port, the outdoor heat exchange
The first end of device is connected with the exhaust outlet, between the second end of the indoor heat exchanger and the second end of the outdoor heat exchanger
It is in series with the throttling set with opening and closing function；The first control valve with opening and closing function, first control valve are connected on institute
It states between exhaust outlet and the outdoor heat exchanger.
Single cold type air conditioner according to an embodiment of the present invention, can be improved refrigerating speed, and the mesh of fast-refrigerating may be implemented
's.
Specifically, the throttling set is the capillary and the second control valve being connected in series；Or the throttling set is
Electric expansion valve.
Heating and air conditioner according to an embodiment of the present invention, comprising: compressor, the compressor have exhaust outlet and return-air
Mouthful；Commutate component, and the commutation component has first port to the 4th port, the first port and second port and third end
One of connection in mouthful, the 4th port are connected to another in the second port and the third port, institute
It states first port to be connected with the exhaust outlet, the 4th port is connected with the gas returning port；Indoor heat exchanger and outdoor heat exchange
Device, the first end of the indoor heat exchanger are connected with the second port, the first end of the outdoor heat exchanger and the third
Port is connected, and is in series between the second end of the indoor heat exchanger and the second end of the outdoor heat exchanger with opening and closing function
Throttling set；The first control valve with opening and closing function, first control valve are connected on the outdoor heat exchanger and described
Between third port.
Heating and air conditioner according to an embodiment of the present invention, can be improved refrigerating speed, and the mesh of fast-refrigerating may be implemented
's.
Specifically, the throttling set is the capillary and the second control valve being connected in series；Or the throttling set is
Electric expansion valve.
Preferably, the commutation component is four-way valve.
Detailed description of the invention
Fig. 1 is the flow chart according to the control method of the air conditioner of the embodiment of the present invention；
Fig. 2 is the flow chart according to the control method of the air conditioner of specific example of the present invention；
Fig. 3 is the schematic diagram according to the single cold type air conditioner of one embodiment of the invention；
Fig. 4 is the schematic diagram according to the single cold type air conditioner of another embodiment of the present invention.
Appended drawing reference:
Single cold type air conditioner 100,
Compressor 1, exhaust outlet a, gas returning port b, gas exhaust piping 10,
Indoor heat exchanger 2, outdoor heat exchanger 3, the first control valve 4, throttling set 5, capillary 50, the second control valve 51.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings.Below with reference to
The embodiment of attached drawing description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " axial direction ",
The orientation or positional relationship of the instructions such as " radial direction ", " circumferential direction " is to be based on the orientation or positional relationship shown in the drawings, merely to just
In description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with
Specific orientation construction and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected or can communicate each other；It can be directly connected, can also indirectly connected through an intermediary, it can be with
It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly.For this field
For those of ordinary skill, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
Before room air conditioner is not turned at present, indoor unit and outdoor unit at refrigeration system be to be interconnected together
, the refrigerant in refrigeration system is distributed in air-conditioning according to environment temperature, indoor unit and outdoor unit difference in height, downtime length
In device refrigeration system various pieces.Inventors have found that the air conditioner for being not switched off equipment between refrigeration system high-low pressure pipeline,
Refrigerant can be migrated to the low part of temperature, and in cooling in summer season, general outdoor temperature is higher than room temperature, so many systems
Cryogen moves in indoor heat exchanger, which exchanges heat when air conditioner is shut down with room air, passes through
After a certain period of time, for indoor heat exchanger temperature close to indoor environment temperature, refrigerant thermal capacity therein is larger.
After the booting of common air-conditioning device, the low-temperature low-pressure refrigerant by throttling flows into indoor heat exchanger, and cooling capacity is cooling first
The room temperature refrigerant being stored in indoor heat exchanger, by the room temperature refrigerant in indoor heat exchanger be cooled to low temperature need it is longer when
Between can just cool down, air conditioner wind outlet could blow out refrigerant cold wind.Inventors have found that existing due to the above reasons,
Air conditioner does not have the function of fast-refrigerating, is based on drawbacks described above, and inventor improves air conditioner.
The control method of air conditioner according to an embodiment of the present invention is described in detail below with reference to Fig. 1-Fig. 2, wherein air conditioner
It can be single cold type air conditioner or heating and air conditioner.Air conditioner includes compressor, indoor heat exchanger, outdoor heat exchanger, tool
There are components, the first control valve and the rooms such as the throttling set, indoor fan and the first control valve with opening and closing function of opening and closing function
The first end of external heat exchanger is connected, and throttling set is connected with the second end of indoor heat exchanger and outdoor heat exchanger respectively, throttling dress
The effect for not only acting as reducing pressure by regulating flow is set, throttling set also has opening state and closed state.Specifically, throttling set can be with
It can also be the capillary and the second control valve being connected in series for electric expansion valve or throttling set, optionally, the second control
Valve can be the devices such as two-port valve, solenoid valve.
Indoor fan is located at the side of indoor heat exchanger to direct room air through indoor heat exchanger to accelerate heat transfer effect.
When air conditioner is single cold type air conditioner, the first end of outdoor heat exchanger is connected with the exhaust pipe of compressor, the
One control valve is located outside between heat exchanger and compressor, and indoor heat exchanger is connected with the gas returning port of compressor.When air conditioner is
When heating and air conditioner, air conditioner further includes commutation component, and commutation component has first port to the 4th port, first port with
The exhaust pipe of compressor is connected, and the 4th port is connected with the gas returning port of compressor, the first end and second end of indoor heat exchanger
Mouthful be connected, the first end of outdoor heat exchanger is connected with third port, the first control valve be located outside heat exchanger and third port it
Between, throttling set is connected between the second end of indoor heat exchanger and the second end of outdoor heat exchanger.Heating and air conditioner has
Refrigeration mode and heating mode, single cold type air conditioner only have refrigeration mode.
As shown in Figure 1, the control method of air conditioner according to an embodiment of the present invention, includes the following steps:
In cooling mode, after air conditioner receives shutdown command, the first control valve is kept it turned on, throttling set
It closes, compressor remains operational mode.
Compressor runs out of service and the first control valve of closing after the first setting time.That is, being closed from receiving
After machine has instructed the first setting time, compressor is just out of service, and the first control valve is just closed.Specifically, the first setting time
It can be defined according to the actual situation, such as the value range of the first setting time is -180 seconds 15 seconds.
Specifically, after air conditioner receives shutdown command, closing throttling set when air conditioner refrigerating operaton and making
Interface channel between indoor heat exchanger and outdoor heat exchanger disconnects, and compressor continues to run, at this time the system in indoor heat exchanger
Cryogen is continuously introduced in compressor, and the refrigerant in compressor can be arranged to outdoor heat exchanger, can will be in indoor heat exchanger
Refrigerant is substantially all to be extracted into outdoor heat exchanger, and the refrigerant in outdoor heat exchanger cannot migrate into indoor heat exchanger
In, realize the purpose vacuumized to indoor heat exchanger, compressor is out of service after running the first setting time, simultaneously closes off the
One control valve, avoids refrigerant from flowing back.
It follows that, substantially without remaining refrigerant in indoor heat exchanger, room is substantially not present after air conditioner is shut down
The problem of refrigerant in interior heat exchanger and the interior space are exchanged heat, due to not having the refrigerant of high temperature (room temperature) in indoor unit
In the presence of thermal capacity is smaller.
After air conditioner receives booting and enters the instruction of refrigeration mode, the first control valve is opened and throttling set is opened
It opening, the refrigerant after throttling set reducing pressure by regulating flow is drained into indoor heat exchanger, compared with existing air conditioner, refrigerant
High temperature (room temperature) refrigerant in cooling indoor heat exchanger is not needed, does not need to waste this part refrigerating capacity, so as to improve
Refrigerating speed, air conditioner according to an embodiment of the present invention compared with existing air conditioner can more quick blowing cold air, room
Between can be cooled down faster.
The control method of air conditioner according to an embodiment of the present invention, when receiving shutdown command in cooling mode, throttling
It is turned off after when device is closed and compressor first runs one section, so as to which the refrigerant in indoor heat exchanger is extracted into outdoor
In heat exchanger, refrigerant is not stored in indoor heat exchanger, when air conditioner is switched on again to freeze, the system that is drained into indoor heat exchanger
Cryogen directly exchanges heat with room air, and compared with existing air conditioner, air conditioner according to an embodiment of the present invention can be mentioned
The purpose of fast-refrigerating may be implemented in high refrigerating speed.
In some embodiments of the invention, as shown in Fig. 2, when air conditioner receives power-on instruction, the first control valve
It is opened with throttling set, compressor is opened, and indoor fan is with speedup after the first setting speed the second setting time of operation to second
Setting speed, hereafter indoor fan is run with the second setting speed to receiving shutdown command next time.To by making room
Inner blower first runs a period of time with the first setting speed, can more quickly reduce the temperature at the air outlet of air conditioner.
It is understood that the second setting time, the first setting speed and the second setting speed can be defined according to the actual situation,
Second setting speed can be user's setting speed, and optionally, the value range of the second setting time is 0-120 seconds.Wherein, exist
Relevant parameter before can first booting up after reception power-on instruction, which detects, to be confirmed to determine whether air conditioner is in malfunction,
If air conditioner is not in malfunction, then the first control valve and throttling set are opened, and air conditioner brings into operation.It is understood that
It is that the detection mode of the relevant parameter detection before booting has been the prior art, is just not described in detail here.
In some specific examples of the invention, the motor of indoor fan is direct current generator, and the first setting speed is second
Relationship between the 10%-40% of setting speed, i.e. the first setting speed T1 and the second setting speed T2 is T1=(10%-
40%) T2.In other specific examples of the invention, when the motor of indoor fan is alternating current generator, the first setting speed
For deep low gear revolving speed.Specifically, when indoor fan is two grades, the first setting speed is low-grade location, and the second setting speed is height
Gear.When indoor fan is third gear or third gear or more, the first setting speed can be deep low gear, and the second setting speed is height
In the gear of the first setting speed.
Single cold type air conditioner 100 according to an embodiment of the present invention, single cold type air conditioner is described in detail below with reference to Fig. 1-Fig. 4
100 have refrigeration mode.
Single cold type air conditioner 100 according to an embodiment of the present invention, comprising: compressor 1, indoor heat exchanger 2, outdoor heat exchanger
3 and the first control valve 4 with opening and closing function.Wherein compressor 1 has exhaust outlet a and gas returning port b.The of indoor heat exchanger 2
One end is connected with gas returning port b, and the first end of outdoor heat exchanger 3 is connected with exhaust outlet a, the second end of indoor heat exchanger 2 and outdoor
The throttling set 5 with opening and closing function is in series between the second end of heat exchanger 3, wherein throttling set 5 not only acts as throttling drop
The effect of pressure, throttling set 5 also have opening state and closed state.Specifically, as shown in figure 3, throttling set 5 can be electricity
Sub- expansion valve, or as shown in figure 4, throttling set 5 can also for be connected in series capillary 50 and the second control valve 51, it is optional
Ground, the second control valve 51 can be the devices such as two-port valve, solenoid valve.
First control valve 4 is connected between exhaust outlet a and outdoor heat exchanger 3.It is understood that connection exhaust outlet a and
The pipeline of outdoor heat exchanger 3 is the gas exhaust piping 10 of compressor 1, i.e. the gas exhaust piping that the first control valve 4 is connected on compressor 1
On 10.Optionally, the first control valve 4 can be two-port valve or solenoid valve.
When single cold type 100 refrigerating operaton of air conditioner, the first control valve 4 is opened and throttling set 5 is opened, from compressor 1
The refrigerant of exhaust outlet a discharge is drained into outdoor heat exchanger 3, and the refrigerant being discharged from outdoor heat exchanger 3 passes through throttling set 5
Reducing pressure by regulating flow after be drained into indoor heat exchanger 2, from indoor heat exchanger 2 be discharged refrigerant be expelled back into compression from gas returning port b
In machine 1.
After single cold type air conditioner 100 receives shutdown command, closes throttling set 5 and make indoor heat exchanger 2 and outdoor
Interface channel between heat exchanger 3 disconnects, and compressor 1 continues to run, and the refrigerant in indoor heat exchanger 2 is continuously introduced at this time
In compressor 1, the refrigerant in compressor 1 can be arranged to outdoor heat exchanger 3, can be basic by the refrigerant in indoor heat exchanger 2
Upper whole is extracted into outdoor heat exchanger 3, and the refrigerant in outdoor heat exchanger 3 cannot migrate into indoor heat exchanger 2, is realized
To the purpose that indoor heat exchanger 2 vacuumizes, compressor 1 is out of service after running the first setting time, simultaneously closes off the first control
Valve 4, avoids refrigerant from flowing back.
It follows that after single cold type air conditioner 100 is shut down, substantially without remaining refrigerant, base in indoor heat exchanger 2
This there is no in indoor heat exchanger 2 refrigerant and the interior space exchanged heat the problem of, due to there is no high temperature (room in indoor unit
Temperature) refrigerant exist, thermal capacity is smaller.
After single cold type air conditioner 100 receives the instruction of booting, the first control valve 4 is opened and throttling set 5 is opened, warp
Refrigerant after crossing 5 reducing pressure by regulating flow of throttling set is drained into indoor heat exchanger 2, and compared with existing air conditioner, refrigerant is not
High temperature (room temperature) refrigerant in cooling indoor heat exchanger 2 is needed, does not need to waste this part refrigerating capacity, so as to improve system
Speed of cooling, single cold type air conditioner 100 according to an embodiment of the present invention can more quickly be blown out compared with existing air conditioner
Cold wind, room can be cooled down faster.
Single cold type air conditioner 100 according to an embodiment of the present invention, can be improved refrigerating speed, fast-refrigerating may be implemented
Purpose.
It is understood that single cold type air conditioner 100 according to an embodiment of the present invention is in the instruction for receiving booting, it is single
Cold mould air conditioner 100 can use the rate-determining steps in the control method of air conditioner according to the above embodiment of the present invention, such as
Revolving speed control of indoor fan etc., is just not described in detail here.
Heating and air conditioner according to an embodiment of the present invention is described below in detail, wherein heating and air conditioner has refrigeration mould
Formula and heating mode.
Heating and air conditioner according to an embodiment of the present invention, comprising: compressor 1, commutation component, indoor heat exchanger 2, outdoor
Heat exchanger 3 and the first control valve 4 with opening and closing function, wherein compressor 1 has exhaust outlet a and gas returning port b.Commutate component tool
Have first port to the 4th port, first port is connected to one of in second port and third port, the 4th port with
Second port is connected to another in third port, and first port is connected with exhaust outlet a, and the 4th port is connected with gas returning port b,
The first end of indoor heat exchanger 2 is connected with second port, and the first end of outdoor heat exchanger 3 is connected with third port.Work as cold-warm type
When air conditioner freezes, first port is connected to third port and second port is connected to the 4th port, when heating and air conditioner system
When hot, first port is connected to second port and third port is connected to the 4th port.
Preferably, commutation component is four-way valve, it is of course possible to the structure of understanding, the component that commutates is without being limited thereto, as long as
There is commutation component first port to the 4th port and can realize commutation.
The throttling with opening and closing function is in series between the second end of indoor heat exchanger 2 and the second end of outdoor heat exchanger 3
Device 5, wherein throttling set 5 not only acts as the effect of reducing pressure by regulating flow, and throttling set 5 also has opening state and closed state.
Specifically, throttling set 5 can be electric expansion valve or throttling set 5 can also be the capillary 50 being connected in series and the
Two control valves 51, optionally, the second control valve 51 can be the devices such as two-port valve, solenoid valve.
First control valve 4 is connected between outdoor heat exchanger and third port.Optionally, the first control valve 4 can be two
Port valve or solenoid valve.
It is understood that when heating and air conditioner refrigeration, when the flow direction and single cold type air conditioner 100 of refrigerant are freezed
Refrigerant flow direction it is identical, just repeat no more here.Refrigerant flow direction when heating and air conditioner heating simultaneously and when refrigeration
Refrigerant flow direction is on the contrary, here just without detailed description.
In refrigeration mode, after heating and air conditioner receives shutdown command, closes throttling set 5 and make indoor heat exchange
Interface channel between device 2 and outdoor heat exchanger 3 disconnects, and compressor 1 continues to run, can be by the refrigeration in indoor heat exchanger 2
Agent is substantially all to be extracted into outdoor heat exchanger 3, and the refrigerant in outdoor heat exchanger 3 cannot migrate into indoor heat exchanger 2,
Realize the purpose vacuumized to indoor heat exchanger 2, compressor 1 is out of service after running the first setting time, simultaneously closes off the
One control valve 4, avoids refrigerant from flowing back.
It follows that after heating and air conditioner is shut down, substantially without remaining refrigerant in indoor heat exchanger 2, substantially
There is no in indoor heat exchanger 2 refrigerant and the interior space exchanged heat the problem of, due to there is no high temperature (room in indoor unit
Temperature) refrigerant exist, thermal capacity is smaller.
After heating and air conditioner receives booting and enters the instruction of refrigeration mode, the first control valve 4 is opened and is throttled
Device 5 is opened, and the refrigerant after 5 reducing pressure by regulating flow of throttling set is drained into indoor heat exchanger 2, with existing air conditioner phase
Than, refrigerant does not need high temperature (room temperature) refrigerant in cooling indoor heat exchanger 2, it does not need to waste this part refrigerating capacity, from
And refrigerating speed can be improved, heating and air conditioner according to an embodiment of the present invention can more be accelerated compared with existing air conditioner
The blowing cold air of speed, room can be cooled down faster.
Heating and air conditioner according to an embodiment of the present invention, can be improved refrigerating speed, and the mesh of fast-refrigerating may be implemented
's.
It is understood that heating and air conditioner according to an embodiment of the present invention is when receiving booting and refrigeration instruction,
Heating and air conditioner can be using the rate-determining steps in the control method of air conditioner according to the above embodiment of the present invention, such as room
Revolving speed control of inner blower etc., is just not described in detail here.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (4)
1. a kind of control method of air conditioner, which is characterized in that the air conditioner includes that compressor, indoor heat exchanger, outdoor are changed
Hot device, the throttling set with opening and closing function, indoor fan and the first control valve with opening and closing function, first control valve
It is connected with the first end of the outdoor heat exchanger, the throttling set second end with indoor heat exchanger and outdoor heat exchanger respectively
It is connected, the control method includes the following steps:
In cooling mode, after the air conditioner receives shutdown command, first control valve is kept it turned on, described
Throttling set is closed, and the compressor remains operational mode；
The compressor runs out of service and closing first control valve after the first setting time；
When the air conditioner receives power-on instruction, first control valve is opened and the throttling set is opened, the room
Inner blower is with speedup after the first setting speed the second setting time of operation to the second setting speed.
2. the control method of air conditioner according to claim 1, which is characterized in that the motor of the indoor fan is direct current
Motor, first setting speed are the 10%-40% of second setting speed；Or the motor of the indoor fan is to hand over
Galvanic electricity machine, first setting speed are deep low gear revolving speed.
3. the control method of air conditioner according to claim 1, which is characterized in that the throttling set is to be connected in series
Capillary and the second control valve；Or the throttling set is electric expansion valve.
4. the control method of air conditioner according to claim 1, which is characterized in that the value model of first setting time
Enclose is -180 seconds 15 seconds.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106440215A (en) * | 2016-10-08 | 2017-02-22 | 芜湖美智空调设备有限公司 | Air conditioner and control method thereof |
| CN106556120A (en) * | 2016-12-01 | 2017-04-05 | 芜湖美智空调设备有限公司 | The control method and device of air-conditioner and air-conditioner |
| CN110542228A (en) * | 2019-09-12 | 2019-12-06 | 广东美的制冷设备有限公司 | Air conditioner, control method and device thereof, and computer-readable storage medium |
| CN110542229A (en) * | 2019-09-12 | 2019-12-06 | 广东美的制冷设备有限公司 | air conditioner, control method and device thereof, and computer-readable storage medium |
| CN110542190B (en) * | 2019-09-12 | 2021-01-29 | 广东美的制冷设备有限公司 | Operation control method, operation control device, air conditioner, and storage medium |
| CN110542233B (en) * | 2019-09-12 | 2022-02-15 | 广东美的制冷设备有限公司 | Air conditioner, control method and device thereof, and computer-readable storage medium |
| CN110542183B (en) * | 2019-09-12 | 2021-09-21 | 广东美的制冷设备有限公司 | Operation control method, operation control device, air conditioner, and storage medium |
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| CN1330758A (en) * | 1998-12-16 | 2002-01-09 | 大金工业株式会社 | Refrigerator |
| EP2354727A1 (en) * | 2007-11-30 | 2011-08-10 | Daikin Industries, Limited | Refrigeration apparatus |
| CN201377931Y (en) * | 2009-02-06 | 2010-01-06 | 艾默生网络能源有限公司 | Machine room air-conditioning system started fast at low temperature |
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